condition	mean	min	max
0 h after light	10.130624999999998	9.04825	11.213
4 h after light	9.223334999999999	8.46828	9.97839
8 h after light	7.591724999999999	7.02732	8.15613
4 h after dark	8.17883	8.03079	8.32687
8 h after dark	8.084975	7.5886	8.58135
12 h after dark	8.650970000000001	6.76034	10.5416